Perhaps you should try some spelling variations:
"moi den case snippets" » "moi den code snippets", "moi does case snippets", "moi den cac snippets", "moi den cam snippets", "hoi den case snippets", "moi dan case snippets", "moi de case snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("moi den case snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("moi den case snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( moi den case snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("moi den case snippets"))) or ("locating bug core snippets"))*.